A SINGLE EVENT WIND EROSION MODEL

A Single Event Wind Erosion Model (SEEM) has been developed and tested with field erosion data. Estimates of mass transport and critical fie ld lengths are possible with SEEM when given simple inputs for soil, c rop, field, and weather conditions. With the transport and critical fi eld length coefficients in a sigmoid equation, average soil loss can b e computed. Estimates of soil loss from 2.6 ha circular fields with SE EM ranged from 0.03 to 6.64 kg/m(2), measured values ranged from 0.015 to 8.03 kg/m(2). Calculated soil losses were correlated with measured losses for seven sites and eleven storms (r(2) = 0.88).